Off-winding yarn by magnetic levitation
Offset drive pin adaptors for film projectors, film spools, and
Oil spattering prevention apparatus for tape recorder
Oilfield cable service trailer
Omnidirectional wire dispenser
On-line winding machine
One handed sheet holder apparatus and method
One piece core and platform for endless tape cartridges
One play video cassette
One way clutch for spinning reel
One way drive system for a recording and/or playback machine wit
One-piece core plug
One-piece fishing reel subassembly
One-piece Reelex payout tube
One-piece tape reel
One-piece videocassette reel lock system
One-way clutch and brake control device using the one-way clutch
One-way clutch assembly
One-way clutch for a fishing reel with an improved contact surfa
Open cassette for winding a tape therein