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CA150344A
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Suction device for artificial dentures
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GB191303315A
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Improvements relating to Suction Devices for Denture Plates.
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US843273A
|
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Dental bur and excavator.
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US788906A
|
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Excavating-bur for dentists.
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GB190321927A
|
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Improvement in Dental Drills and similar Instruments.
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|
US723872A
|
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Dental handpiece.
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GB190211870A
|
|
Improvements relating to Dental Drills and Similar Tools
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US668186A
|
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Bung-hole fitting for casks or barrels.
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GB189908803A
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Improvements in and connected with Taphole Fittings for Casks or Barrels.
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US640286A
|
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Bung-hole fitting.
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GB189824572A
|
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Improvements in Bung or Tap Hole Fittings for Casks or Barrels.
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