Parison transferring mechanism

Patterned float glass method

Pinch means for attenuating float glass and method of using same

Plasma chemical vapor deposition of halide glasses

Plasma process for the production of a dielectric rod

Pneumatic plunger mechanism for a glassware forming machine

Polarization plane maintaining optical fiber fabricating method

Polarization preserving optical fiber and method of manufacturin

Polarization-preserving optical fiber

Polarization-preserving single mode fiber coupler

Polarized optical fiber and method of forming same

Precision molding of shaped bodies such as retro-reflectors

Preform production apparatus for precision press molding,...

Preheat hopper agitators

Preparation of fluoride glass optical preforms and fibers

Preparation of germania cores in optical fibers

Preparation of glass fibre

Press and blow glass forming

Pressure sizing of float glass

Pressurized gas accelerators for reciprocating device