ARENA RECREATIONS TORONTO has a total of 16 patent applications. Its first patent ever was published in 1986. It filed its patents most often in Canada, United States and EPO (European Patent Office). Its main competitors in its focus markets audio-visual technology and mechanical elements are KLEMM MFG COMPANY, PROTONA PRODUKTIONSGES and PERPETUUM EBNER KG.
# | Country | Total Patents | |
---|---|---|---|
#1 | Canada | 4 | |
#2 | United States | 4 | |
#3 | EPO (European Patent Office) | 3 | |
#4 | Australia | 2 | |
#5 | South Africa | 2 | |
#6 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Audio-visual technology | |
#2 | Mechanical elements |
# | Technology | |
---|---|---|
#1 | Special information storage | |
#2 | Clutches and brakes |
# | Name | Total Patents |
---|---|---|
#1 | Granzotto Robert | 12 |
#2 | Armstrong Richard J | 5 |
#3 | Wong Wah Keung Jason | 3 |
#4 | Wong Wah K J | 2 |
#5 | Anderson Joseph | 2 |
#6 | Wah Keung Jason Wong | 1 |
#7 | Robert Granz Granzotto | 1 |
#8 | Armstrong Richard James | 1 |
#9 | Dickson Edward John | 1 |
#10 | Granzotto Robert Granz | 1 |
Publication | Filing date | Title |
---|---|---|
US5228637A | Cassette reel lock control apparatus | |
WO9309539A1 | Cassette reel lock control apparatus | |
CA2022554A1 | Lockable tape cassette control system | |
US5040210A | Lockable tape cassette control system | |
CA2022137A1 | Cassette reel lock control apparatus | |
US4928905A | One-way clutch assembly | |
US4874143A | Tape cassette having rewind control mechanism | |
CA1286273C | Tape cassette having rewind control mechansim | |
EP0247252A1 | Tape cassette rewinding machine |