Did You Know...
...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5978546 | Digital/analog compatible video tape recorder A VTR compatible with the current analog VTR and capable of recording and reproducing digital signals identifies the type of a tape cassette by the presence or absence of a cassette identification hole formed in a digital recording tape cassette determine... | 11/02/1999 |
| 4531819 | Device for storing exposed film for photographing and developing apparatus A device for storing exposed film for a photographing and developing apparatus comprises a first pinch roller pair provided in the vicinity of a storage reel, a second pinch roller pair provided at a spacing from the storage reel and a guide means for gui... | 07/30/1985 |
| 4370041 | Combination photographing and developing apparatus Combination photographing and developing apparatus incorporates in the photographing section thereof a storage reel capable of being selectively rotated in the forward or rearward direction in addition to a payoff reel having a roll of film thereon. Durin... | 01/25/1983 |
| 4192594 | Camera film processor A camera portion and a processor portion are combined so that the film exposed in the camera portion is processed in the processor portion. The camera portion is provided with a roll film take-up magazine and a cutter for cutting a roll film into sheet fi... | 03/11/1980 |
