HARDWARE DESIGNERS INC has a total of 14 patent applications. Its first patent ever was published in 1955. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets furniture and games and mechanical elements are KUMEPA PATENT GMBH ETS, GS SCAFFALATURE ENGINEERING SP and NAOS SRL.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | Canada | 4 | |
#3 | United Kingdom | 1 |
# | Industry | |
---|---|---|
#1 | Furniture and games | |
#2 | Mechanical elements |
# | Technology | |
---|---|---|
#1 | Office furniture | |
#2 | Shafts |
# | Name | Total Patents |
---|---|---|
#1 | Leiper Fred B | 4 |
#2 | Fielding Brian S | 3 |
#3 | Stein Robert R | 3 |
#4 | Stein Robert | 2 |
#5 | Blasnik William | 1 |
#6 | Frank Hillson | 1 |
#7 | Leiper Fred S | 1 |
Publication | Filing date | Title |
---|---|---|
US4480878A | Clearance adjustable drawer slide assembly | |
US4447095A | Self-leveling drawer slide | |
US4441772A | Separable bottom mounted drawer slide | |
US4441773A | Bottom mounted drawer slide assembly | |
US4295688A | Bearing construction | |
GB1562352A | Front removable drawer slide | |
US3995927A | Front release drawer slide | |
US3912341A | Progressive drawer slide | |
US2785939A | Drawer guide |